{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["person", "location", "else", "organization"], "input": "The pressure group said Wang would be sent to a study class , often a euphemism in China for ideological reform ."}
{"person": ["Wang"], "location": ["China"], "else": [], "organization": []}